Fix crash in local passcode reset.

Telegram/SourceFiles/core/application.cpp

@@ -583,6 +583,10 @@ void Application::lockByPasscode() {
 
 void Application::unlockPasscode() {
 	clearPasscodeLock();
+	if (!activeAccount().mtp()) {
+		// We unlocked initial passcode, so we just start mtproto.
+		activeAccount().startMtp();
+	}
 	if (_window) {
 		_window->clearPasscodeLock();
 	}

Telegram/SourceFiles/main/main_account.cpp

@@ -368,8 +368,6 @@ void Account::logOut() {
 		}));
 	} else {
 		// We log out because we've forgotten passcode.
-		// So we just start mtproto from scratch.
-		startMtp();
 		loggedOut();
 	}
 }